:root {
  --ink: #333;
  --muted: #777;
  --blue: #0e6fa8;
  --blue-dark: #075484;
  --green: #10791f;
  --line: #e8edef;
  --mist: #f6f8fa;
  --soft-blue: #edf7fc;
  --content: 1120px;
  color: var(--ink);
  font-family: "Microsoft YaHei", "Noto Sans CJK SC", "PingFang SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: #fff;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.85;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

.container {
  width: min(var(--content), calc(100% - 64px));
  margin-inline: auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  height: 84px;
  border-bottom: 1px solid rgba(24, 44, 62, .06);
  background: rgba(255, 255, 255, .98);
}

.header-inner {
  display: flex;
  width: min(1370px, calc(100% - 54px));
  height: 100%;
  margin: auto;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.brand {
  display: flex;
  min-width: 470px;
  align-items: center;
  gap: 16px;
}

.brand-mark {
  width: 78px;
  height: 68px;
  object-fit: contain;
}

.brand-name {
  display: block;
  margin-bottom: 2px;
  color: #303030;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
}

.brand-en {
  display: block;
  color: #858585;
  font-family: Arial, sans-serif;
  font-size: 11px;
  line-height: 1.35;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  height: 100%;
  align-items: stretch;
  gap: 44px;
}

.nav-group {
  position: relative;
  display: flex;
  align-items: stretch;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  color: #747474;
  font-size: 14px;
  transition: color .2s ease;
}

.nav-item:hover,
.nav-item:focus-visible,
.nav-item.current {
  color: #111;
}

.nav-item.current {
  font-weight: 700;
}

.nav-item.has-menu::after {
  width: 6px;
  height: 6px;
  margin: -4px 0 0 8px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  content: "";
  transform: rotate(45deg);
}

.dropdown {
  position: absolute;
  top: calc(100% - 8px);
  left: -18px;
  display: grid;
  min-width: 230px;
  padding: 8px 0;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 12px 30px rgba(32, 54, 72, .12);
  opacity: 0;
  transform: translateY(8px);
  transition: .2s ease;
  visibility: hidden;
}

.nav-group:hover .dropdown,
.nav-group:focus-within .dropdown {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.dropdown a {
  padding: 8px 20px;
  white-space: nowrap;
}

.dropdown a:hover {
  background: #f5f9fc;
  color: var(--blue);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--blue-dark);
  cursor: pointer;
}

.page-hero {
  position: relative;
  width: 100%;
  height: 300px;
  overflow: hidden;
  background: #dcecf7;
}

.page-hero img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.page-hero img[src="assets/banner-water.png"] {
  object-position: left 0px bottom 30%;
}

.section-nav-wrap {
  border-bottom: 1px solid #f0f1f2;
  background: #f9f9f9;
}

.section-nav {
  display: flex;
  min-height: 76px;
  align-items: stretch;
  gap: 38px;
  overflow-x: auto;
  scrollbar-width: none;
}

.section-nav::-webkit-scrollbar {
  display: none;
}

.section-nav a {
  position: relative;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  color: #6f6f6f;
  font-size: 14px;
  white-space: nowrap;
}

.section-nav a::after {
  position: absolute;
  right: 0;
  bottom: 10px;
  left: 0;
  height: 2px;
  background: var(--green);
  content: "";
  opacity: 0;
}

.section-nav a:hover,
.section-nav a.current {
  color: var(--green);
  font-weight: 600;
}

.section-nav a.current::after {
  opacity: 1;
}

.page-main {
  padding-top: 20px;
  min-height: 420px;
  background: #f9f9f9;
}

.page-heading {
  padding: 50px 0 54px;
}

.page-heading h1 {
  margin: 0;
  color: #333;
  font-size: clamp(30px, 2.75vw, 40px);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.3;
}

.page-heading p {
  max-width: 720px;
  margin: 5px 0 0;
  color: #a0a0a0;
  font-size: 14px;
}

.page-heading--split {
  display: grid;
  grid-template-columns: minmax(260px, .85fr) minmax(0, 1.15fr);
  gap: 70px;
  align-items: center;
}

.page-heading--split p {
  margin: 0;
  color: #555;
  font-size: 16px;
  line-height: 2;
}

.section-block {
  padding: 0 0 74px;
}

.section-block.alt {
  margin-bottom: 74px;
  padding: 64px 0 72px;
  background: var(--mist);
}

.section-block.soft {
  margin-bottom: 74px;
  padding: 64px 0 72px;
  background: var(--soft-blue);
}

.section-heading {
  margin-bottom: 30px;
}

.section-heading h2 {
  margin: 0;
  color: #333;
  font-size: 29px;
  font-weight: 700;
  line-height: 1.35;
}

.section-heading p {
  margin: 3px 0 0;
  color: #9d9d9d;
  font-size: 13px;
}

.content-copy {
  color: #626262;
  line-height: 2.05;
}

.content-copy p:last-child {
  margin-bottom: 0;
}

.split-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
  align-items: center;
}

.split-row.reverse .split-media {
  order: 2;
}

.split-media img {
  display: block;
  width: 100%;
  max-height: 570px;
  object-fit: contain;
}

.split-copy {
  color: #626262;
}

.split-copy h3 {
  margin: 0 0 16px;
  color: #333;
  font-size: 22px;
  font-weight: 700;
}

.bullet-list {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 9px;
  list-style: none;
}

.bullet-list li {
  position: relative;
  padding-left: 20px;
}

.bullet-list li::before {
  position: absolute;
  top: .76em;
  left: 2px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blue);
  content: "";
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 62px 48px;
  padding-bottom: 78px;
}

.catalog-card {
  display: block;
  min-width: 0;
  color: #333;
  text-align: center;
}

.catalog-card img {
  display: block;
  width: 100%;
  height: 340px;
  padding: 14px;
  background: #fff;
  object-fit: contain;
  box-shadow: 0 0 0 10px #7b877d inset;
  transition: transform .25s ease;
}

.catalog-card:hover img {
  transform: translateY(-4px);
}

.catalog-card strong {
  display: block;
  margin-top: 18px;
  font-size: 15px;
  font-weight: 500;
}

.catalog-card small {
  display: block;
  margin-top: 2px;
  color: #8a8a8a;
  font-size: 13px;
}

.detail-panel {
  display: grid;
  padding-bottom: 76px;
  gap: 28px;
}

.detail-media {
  display: grid;
  gap: 16px;
}

.detail-media.multiple {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.detail-media img {
  display: block;
  width: 100%;
  max-height: 590px;
  object-fit: contain;
}

.equation {
  margin: 0 0 18px;
  padding: 15px 20px;
  border-left: 3px solid var(--green);
  background: var(--mist);
  color: #45545c;
  font-size: 17px;
}

.check-list {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 10px;
  color: #626262;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 22px;
}

.check-list li::before {
  position: absolute;
  top: .78em;
  left: 2px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
  content: "";
}

.feature-stack {
  display: grid;
  gap: 58px;
  padding-bottom: 78px;
}

.feature-row {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: 52px;
  align-items: center;
}

.feature-row:nth-child(even) .feature-media {
  order: 2;
}

.feature-media {
  display: grid;
  gap: 12px;
}

.feature-media img {
  display: block;
  width: 100%;
  max-height: 430px;
  border: 1px solid var(--line);
  object-fit: contain;
}

.feature-copy h3 {
  margin: 0 0 16px;
  color: #333;
  font-size: 22px;
}

.app-intro {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 54px;
  align-items: center;
  padding: 28px 0 38px;
}

.app-intro h1 {
  margin: 0;
  color: #333;
  font-size: 36px;
  font-weight: 700;
  line-height: 1.3;
}

.app-intro p {
  max-width: 513px;
  margin: 0;
  color: #555;
  font-size: 16px;
  line-height: 1.9;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  padding-bottom: 20px;
}

.app-card {
  min-width: 0;
  text-align: left;
}

.app-card img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.app-card h3 {
  margin: 0 0 12px;
  color: #444;
  font-size: 24px;
  font-weight: 500;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.advantage-card {
  min-height: 178px;
  padding: 26px 24px;
  border: 1px solid var(--line);
  background: #fff;
}

.advantage-card h3 {
  margin: 0 0 10px;
  color: #267a98;
  font-size: 19px;
}

.advantage-card p {
  margin: 0;
  color: #6d6d6d;
}

.equipment-list {
  display: grid;
  gap: 64px;
  padding-bottom: 76px;
}

.equipment-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 54px;
  align-items: center;
}

.equipment-item:nth-child(even) .equipment-image {
  order: 2;
}

.equipment-image img {
  display: block;
  width: 100%;
  max-height: 510px;
  object-fit: contain;
}

.equipment-copy h3 {
  margin: 0 0 16px;
  color: #333;
  font-size: 22px;
}

.pros-cons {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px;
  padding-bottom: 76px;
}

.pros-cons article {
  padding: 28px 30px;
  border: 1px solid var(--line);
  background: #fff;
}

.pros-cons h3 {
  margin: 0 0 14px;
  color: #333;
  font-size: 21px;
}

.comparison-wrap {
  overflow-x: auto;
  padding-bottom: 80px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid #dfe5e7;
  color: #5f5f5f;
}

.comparison-table th,
.comparison-table td {
  min-width: 150px;
  padding: 13px 16px;
  border: 1px solid #dfe5e7;
  text-align: left;
  vertical-align: top;
}

.comparison-table thead th {
  background: #f3f8fa;
  color: #374f5e;
  font-weight: 700;
}

.comparison-table tbody th {
  width: 18%;
  background: #fafbfc;
  color: #444;
  font-weight: 500;
}

.comparison-table ul {
  margin: 0;
  padding-left: 18px;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
  padding-bottom: 80px;
}

.choice-card {
  padding: 28px;
  border: 1px solid var(--line);
  background: #fff;
}

.choice-card img {
  display: block;
  width: 100%;
  height: 220px;
  margin-bottom: 20px;
  object-fit: cover;
}

.choice-card h2 {
  margin: 0 0 14px;
  color: #333;
  font-size: 22px;
}

.choice-card p {
  margin: 0 0 8px;
  color: #686868;
}

.about-section {
  padding: 64px 0 72px;
}

.about-section:first-of-type {
  padding-top: 30px;
}

.about-section.alt {
  background: var(--mist);
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.photo-grid img {
  display: block;
  width: 100%;
  aspect-ratio: 1.2;
  object-fit: cover;
}

.mission-band {
  padding: 72px 24px;
  background: linear-gradient(135deg, #eef8fd, #f8fbfc);
  text-align: center;
}

.mission-band h2 {
  margin: 0;
  color: #333;
  font-size: 31px;
}

.mission-band p {
  margin: 3px 0 24px;
  color: #9c9c9c;
  font-size: 13px;
}

.mission-lines {
  color: #3e6f8d;
  font-size: 22px;
  line-height: 1.9;
}

.contact-section {
  padding: 30px 0 80px;
}

.contact-title {
  margin: 0 0 30px;
  color: #333;
  font-size: 30px;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  gap: 52px;
  align-items: center;
}

.contact-map {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  background: #e4edf0;
}

.map-tiles {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 768px;
  height: 768px;
  grid-template-columns: repeat(3, 256px);
  grid-template-rows: repeat(3, 256px);
  transform: translate(-50%, -50%);
}

.map-tiles img {
  display: block;
  width: 256px;
  height: 256px;
  max-width: none;
}

.map-attribution {
  position: absolute;
  right: 6px;
  bottom: 5px;
  padding: 2px 6px;
  background: rgba(255, 255, 255, .82);
  color: #5f6a70;
  font-size: 10px;
}

.map-attribution img {
  width: 43px;
  height: 12px;
  margin-right: 4px;
  vertical-align: -3px;
}

.map-label {
  position: absolute;
  top: 20px;
  left: 22px;
  color: #76858b;
  font-size: 12px;
}

.map-marker {
  position: absolute;
  top: 45%;
  left: 52%;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 4px solid rgba(255, 255, 255, .9);
  border-radius: 50% 50% 50% 0;
  background: #1880bf;
  color: #fff;
  box-shadow: 0 2px 6px #8399a2;
  transform: rotate(-45deg);
}

.map-marker span {
  transform: rotate(45deg);
}

.map-caption {
  position: absolute;
  top: calc(45% + 28px);
  left: calc(52% + 18px);
  padding: 3px 9px;
  background: #fff;
  box-shadow: 0 1px 5px #b8c5cb;
  color: #5b6971;
  font-size: 12px;
}

.contact-details {
  display: grid;
  gap: 20px;
}

.contact-row {
  display: grid;
  grid-template-columns: 105px 1fr;
  gap: 18px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--line);
}

.contact-label {
  color: #9a9a9a;
}

.contact-value {
  color: #484848;
}

.contact-value a {
  color: var(--blue);
}

.site-footer {
  padding: 25px 0;
  border-top: 1px solid #f0f1f2;
  background: #f9f9f9;
  color: #8d8d8d;
  font-size: 13px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 10px 20px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.footer-links a:hover {
  color: #333;
}

.security-badge {
  width: 15px;
  height: 15px;
  margin-right: 5px;
  vertical-align: -3px;
}

.back-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 20;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 0;
  background: rgba(14, 111, 168, .9);
  color: #fff;
  cursor: pointer;
  font-size: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}

.back-top.visible {
  opacity: 1;
  pointer-events: auto;
}

/* Home */
.home-hero {
  position: relative;
  height: min(500px, 42vw);
  min-height: 320px;
  overflow: hidden;
  background: #287cba;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background: center / cover no-repeat;
  opacity: 0;
  transition: opacity .6s;
}

.hero-slide.active {
  opacity: 1;
}

.hero-arrow {
  position: absolute;
  top: 44%;
  z-index: 2;
  border: 0;
  background: transparent;
  color: #fff;
  cursor: pointer;
  font-size: 48px;
  opacity: .72;
}

.hero-arrow:hover {
  opacity: 1;
}

.hero-arrow.prev {
  left: 24px;
}

.hero-arrow.next {
  right: 24px;
}

.hero-dots {
  position: absolute;
  z-index: 2;
  bottom: 22px;
  left: 50%;
  display: flex;
  gap: 10px;
  transform: translateX(-50%);
}

.hero-dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 1px solid #fff;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.hero-dot.active {
  background: #fff;
}

.home-section {
  padding: 86px 0 72px;
}

.home-section.alt {
  background: #f6f8fa;
}

.home-heading {
  margin: 0 0 42px;
  color: #333;
  font-size: 30px;
  font-weight: 700;
  text-align: center;
}

.home-heading small {
  display: block;
  margin-top: 2px;
  color: #a0a0a0;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0;
}

.home-about {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 54px;
  align-items: center;
}

.home-about img {
  display: block;
  width: 100%;
  aspect-ratio: 1.6;
  object-fit: cover;
}

.home-about p {
  color: #6c6c6c;
  line-height: 2.05;
  text-align: justify;
}

.home-about p:first-child {
  margin-top: 0;
}

.text-button {
  display: inline-block;
  margin-top: 6px;
  padding: 8px 28px;
  background: #a9def5;
  color: #fff;
  font-size: 14px;
  text-align: center;
  transition: background .2s;
}

.text-button:hover {
  background: #83cdec;
}

.home-product-carousel {
  position: relative;
  width: min(870px, calc(100% - 110px));
  margin: 0 auto;
}

.home-product-viewport {
  overflow: hidden;
}

.home-product-track {
  display: flex;
  transition: transform .45s ease;
}

.home-product-slide {
  display: grid;
  flex: 0 0 100%;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.home-product-card {
  display: flex;
  min-width: 0;
  min-height: 230px;
  align-items: center;
  justify-content: center;
  background: #fff;
}

.home-product-card img {
  display: block;
  width: 100%;
  height: 230px;
  padding: 10px;
  object-fit: contain;
}

.home-product-arrow {
  position: absolute;
  top: 50%;
  z-index: 2;
  border: 0;
  background: transparent;
  color: #b2b2b2;
  cursor: pointer;
  font-size: 45px;
  transform: translateY(-50%);
}

.home-product-arrow.prev {
  left: -64px;
}

.home-product-arrow.next {
  right: -64px;
}

.home-product-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 30px;
}

.home-product-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #bcbcbc;
  cursor: pointer;
}

.home-product-dot.active {
  background: #666;
}

.home-product-more {
  margin-top: 28px;
  text-align: center;
}

@media (max-width: 1100px) {
  .header-inner {
    width: calc(100% - 44px);
  }

  .brand {
    min-width: 0;
  }

  .brand-mark {
    width: 74px;
    height: 64px;
  }

  .brand-name {
    font-size: 16px;
  }

  .brand-en {
    font-size: 9px;
  }

  .main-nav {
    gap: 24px;
  }

  .catalog-grid {
    gap: 44px 28px;
  }

  .catalog-card img {
    height: 290px;
  }
}

@media (max-width: 800px) {
  html {
    scroll-padding-top: 76px;
  }

  .site-header {
    height: 76px;
  }

  .header-inner {
    width: calc(100% - 28px);
  }

  .brand {
    gap: 8px;
  }

  .brand-mark {
    width: 58px;
    height: 58px;
  }

  .brand-name {
    font-size: 14px;
  }

  .brand-en {
    max-width: 208px;
    overflow: hidden;
    font-size: 8px;
    text-overflow: ellipsis;
  }

  .menu-toggle {
    display: grid;
    flex: 0 0 auto;
    place-items: center;
  }

  .main-nav {
    position: absolute;
    top: 75px;
    right: 0;
    left: 0;
    display: none;
    height: auto;
    padding: 8px 20px 14px;
    border-top: 1px solid var(--line);
    background: #fff;
    box-shadow: 0 10px 18px rgba(20, 40, 60, .08);
  }

  .main-nav.open {
    display: grid;
    gap: 0;
  }

  .nav-group {
    display: grid;
  }

  .nav-item {
    min-height: 43px;
    border-bottom: 1px solid #f0f2f3;
  }

  .nav-item.has-menu::after {
    margin-left: auto;
  }

  .dropdown {
    position: static;
    display: grid;
    width: 100%;
    padding: 0 0 8px 18px;
    border: 0;
    box-shadow: none;
    opacity: 1;
    transform: none;
    visibility: visible;
  }

  .dropdown a {
    padding: 7px 8px;
    white-space: normal;
  }

  .container {
    width: calc(100% - 36px);
  }

  .page-hero {
    height: 150px;
  }

  .page-hero img {
    width: 100%;
    height: 100%;
    max-width: 100%;
    object-fit: cover;
  }

  .home-hero {
    height: 300px;
    min-height: 0;
  }

  .section-nav {
    min-height: 58px;
    gap: 24px;
  }

  .section-nav a {
    font-size: 13px;
  }

  .section-nav a::after {
    bottom: 7px;
  }

  .page-heading {
    padding: 35px 0 38px;
  }

  .page-heading h1 {
    font-size: 29px;
  }

  .page-heading--split,
  .split-row,
  .split-row.reverse,
  .feature-row,
  .feature-row:nth-child(even),
  .equipment-item,
  .equipment-item:nth-child(even),
  .contact-layout,
  .home-about {
    grid-template-columns: 1fr;
  }

  .page-heading--split {
    gap: 12px;
  }

  .split-row.reverse .split-media,
  .feature-row:nth-child(even) .feature-media,
  .equipment-item:nth-child(even) .equipment-image {
    order: 0;
  }

  .section-block,
  .section-block.alt,
  .section-block.soft {
    margin-bottom: 48px;
    padding: 44px 0 48px;
  }

  .section-heading {
    margin-bottom: 22px;
  }

  .section-heading h2 {
    font-size: 25px;
  }

  .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 16px;
    padding-bottom: 50px;
  }

  .catalog-card img {
    height: 210px;
    box-shadow: 0 0 0 7px #7b877d inset;
  }

  .catalog-card strong {
    margin-top: 12px;
    font-size: 13px;
  }

  .detail-media.multiple,
  .app-grid,
  .app-intro,
  .advantage-grid,
  .pros-cons,
  .choice-grid,
  .photo-grid {
    grid-template-columns: 1fr;
  }

  .app-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-stack,
  .equipment-list {
    gap: 38px;
  }

  .contact-map {
    min-height: 300px;
  }

  .mission-band {
    padding: 50px 20px;
  }

  .mission-lines {
    font-size: 18px;
  }

  .home-section {
    padding: 56px 0 50px;
  }

  .home-heading {
    margin-bottom: 28px;
    font-size: 26px;
  }

  .home-product-carousel {
    width: calc(100% - 66px);
  }

  .home-product-slide {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .home-product-card {
    min-height: 180px;
  }

  .home-product-card img {
    height: 180px;
  }

  .home-product-arrow {
    font-size: 34px;
  }

  .home-product-arrow.prev {
    left: -38px;
  }

  .home-product-arrow.next {
    right: -38px;
  }

  .footer-inner {
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .brand-en {
    display: none;
  }

  .brand-name {
    max-width: 190px;
  }

  .home-hero {
    height: 220px;
    min-height: 0;
  }

  .catalog-card img {
    height: 160px;
  }

  .catalog-card strong {
    line-height: 1.5;
  }

  .app-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}